一种采用粗-精编程方法的模拟和数字记录、回放和处理系统

2001 International Symposium on VLSI Technology, Systems, and Applications. Proceedings of Technical Papers (Cat. No.01TH8517) Pub Date : 2001-04-18 DOI:10.1109/VTSA.2001.934517

P. Holzmann, G. Jackson, A. Raina, Hung-Chuan Pai, Ming-Bing Chang, S. Awsare, L. Engh, O. C. Kao, C. R. Palmer, Chun-Mai Liu, A.V. Kordesch, K. Su, M. Hemming

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引用次数: 1

摘要

提出了一种用于话频模拟音频信号调理和移动通信设备非易失性存储的片上系统。该系统允许直接接口到声学换能器元件，并提供信号调理增益调整，复用，滤波和混合两个独立的信号。系统可以将这些处理后的信号作为模拟样本记录在非易失性闪存EEPROM阵列中，以便以后检索。与集成信号路径一起，系统可以存储长达16分钟的音频信号。系统的控制是通过串行接口实现的，串行接口用于配置和控制设备。串行接口也可用于将数字数据存储到闪存EEPROM阵列中。该系统的所有必要组件都提供在芯片上，包括模拟处理元件，非易失性存储和高电压和基准生成。

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An analog and digital record, playback and processing system using a coarse-fine programming method

A system on chip for conditioning of voiceband analog audio signals and nonvolatile storage for use in mobile communication devices is presented. The system allows for direct interface to acoustic transducer elements and provides signal conditioning to gain adjust, multiplex, filter and mix two independent signals. The system can record these processed signals as analog samples in a nonvolatile flash EEPROM array for later retrieval. Together with the integrated signal path the system can store up to 16 minutes of audio signal. Control of the system is achieved via a serial interface, which is used to configure and control the device. The serial interface can also be used to store digital data into the flash EEPROM array. All necessary components of the system are provided on chip including analog processing elements, nonvolatile storage and high voltage and reference generation.

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来源期刊

2001 International Symposium on VLSI Technology, Systems, and Applications. Proceedings of Technical Papers (Cat. No.01TH8517)

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